Timberland Pro Drivetrain NT SD35 Boot – Steel Toes。Timberland Pro Drivertrain SD 35 Men Sneaker - Black - Size: 11 Timberland\'s men\'s metal- and mutilation-free Timberland PRO® Drivetrain athletic work boots offer lightweight comfort, but they\'re all business when it comes to protection. Not only are their abrasion-resistant ripstop nylon uppers tough enough to handle working on your feet all day, they feature composite safety toes powered by Carbon Shield™ technology for extra strength, TPU toe overlays for extra durability in this high abrasion area, and they are designed for Electro Static Dissipating (ESD) compliance to minimize hazards from static electricity buildup. For comfort, we added our Anti-Fatigue Technology polyurethane footbeds for all-day shock absorption and energy return and a breathable, moisture-wicking lining made of ReBOTL™ fabric containing at least 50% recycled plastic with an antimicrobial treatment for odor control. Plus, their lightweight outsoles are made of heat-, oil-, slip-, and abrasion-resistant.